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Investment Securities (Restrictions on Redemption Frequency and Advance Notice Requirements) (Details) - Hedge funds $ in Millions | Sep. 30, 2018 USD ($) fund
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Debt and Equity Securities, FV-NI [Line Items] |
Number of investments | fund | 1
September 2018 |
Debt and Equity Securities, FV-NI [Line Items] |
Number of hedge funds | 1
Other long-term investments | $ | $ 59.6

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of Investments + References No definition available. + Details
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- Details
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- Details
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